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• Neither IE or Firefox respects the control values that are output

  - by Luke Rohde

  I'm writing a survey designer asp.net mvc. It has buttons to move questions up and down. The buttons post the whole form back and the affected questions are swapped on the server. When the form returns the only thing that is changed are the values for each survey question. Both firefox and IE seem to ignore this change. Nothing is persisted to the database (until save) and url doesn't change so the post just returns the same view but I've stepped through my code to ensure the sequence of values being rendered in the view reflects the swap which is ok. However "view - source" doesn't show the change suggesting caching issue (maybe auto complete). I've tried autocomplete="off" in my form. Response.Cache.SetNoStore(); in my global.asax [System.Web.Mvc.OutputCache(NoStore = true, Duration = 0, VaryByParam = "*")] before my controller and the following in my page header NOTHING!!! This must be real common. Anyone got a clue?

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• Insert a list of objects using MyBatis 3

  - by T Soares

  I've tried to insert a list in a database but I've got some the error: org.springframework.jdbc.BadSqlGrammarException: SqlSession operation; bad SQL grammar []; nested exception is java.sql.SQLException: ORA-00913: too many values (...). The code that I've used: <insert id="insertListMyObject" parameterType="java.util.List" > INSERT INTO my_table (ID_ITEM, ATT1, ATT2) VALUES <foreach collection="list" item="item" index="index" open="(" close=")" separator=","> #{item.idItem, jdbcType=BIGINT}, #{item.att1, jdbcType=INTEGER}, #{item.att2, jdbcType=STRING} </foreach> </insert> My dao cals the method: SqlSessionTemplate().insert(MAPPER+".insertListMyObject", parameterList); Where the parameterList is: List<MyObjects>. Does someone have a clue about what's this error? Or if does exists a better way to do multiples inserts operation. Many thanks!

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• begin...end VS braces {...} VS indentation grouping

  - by Halst

  Hi, everyone. I don't want to fuel any holy-wars here, but I need to ask your opinion. Right now I'm in process of designing a Hardware Description Language as a project in my university. I decided to take VHDL language and just add some syntax-sugar 'coz VHDL is rather obese in syntax. I decided to use indentation to group blocks of code (like in Python), and I'm strongly criticized for that. Originally Begin...End; grouping is used in VHDL language. I have no clue what are cons and pros of these 3 types of grouping, the only thing I know is that I like Python style and I don't understand if it's usage could be erroneous or something? What do you think? What do you like? (hope that I can get some feedback from people who extensively used different languages with different code-grouping syntax, like Pasca, Ada, Delphi, C, C++, C#, Java, Python)

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• java.util.regex.* Recursive matching

  - by amit.bhayani

  Hi Guys, I have been using the java.util.regex.* classes for Regular Expression in Java and all good so far. But today I have a different requirement. For example consider the pattern to be "aabb". Now if the input String is aa it will definitely not match, however there is still possibility that if I append bb it becomes aabb and it matches. However if I would have started with cc, no matter what I append it will never match. I have explored the Pattern and Matcher class but didn't find any way of achieving this. The input will come from user and system have to wait till pattern matches or it will never match irrespective of any input further. Any clue? Thanks.

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• Objective C Insanity -- simple assignement to a single float variable results in {{{CRAZY}}} values

  - by morgancodes

  memberA is defined in the header of ClassA. memberB is defined in the header of ClassB. ClassB is a subclass of ClassA Inside an instance of ClassB, setting memberA via simple assignment: memberA = 0.05 ...also changes memberB, but to a crazy number -- 1028443341. Additionally, assigning 0.05 to memberA results in memberA showing up in the debugger as 5.33083531e-38. Both variables are floats, neither is a pointer. I'm almost certianly making some noob mistake, but I don't have any clue what it might be. What sort of screw-up might make it so assigning a value to one variable results in crazy values appearing in two variables? I can give more details or real code, but figured I'd keep it simple to start with in case it's an obvious problem/solution.

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• Visual studio 2008 Professional Edition acting weird

  - by Andres

  I have a weird situation on a winform project. I have user control (with 600 lines of code around) with a datagridview. I change de ColumnHeaderStyle of the font and save it. After I save the file I close it and open again, the changes were not saved (although the asterisk is dissapeared), because the ColumnHeaderStyle is back to the former value. This is driving me crazy because I cannot change any visual thing in the Designer. Any clue? Thanks in advance.

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• Formatting Excel Document in Qt

  - by user249490

  Hi, I am using Qt 4.5 and Windows XP. I need to create an Microsoft Excel Document that has data (some labels and values) from the Qt application. I need to format those data with some fonts,bold,italics,color, background color etc., Besides ordinary data, there will be Picture files (JPG) also. I need to add those into the Excel. I know retrieving values from Excel using QAxWidget, QAxObject. But I don't have a clue about the formatting options that can be applied to cells through Qt and adding images as well?? Any help regarding this are welcome.

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• why egrep's stdout did not go through pipe?

  - by ccfenix

  Hi, i got a weird problem regarding egrep and pipe I tried to filter a stream containing some lines who start with a topic name, such as "TICK:this is a tick message\n" When I try to use egrep to filter it : ./stream_generator | egrep 'TICK' | ./topic_processor It seems that the topic_processor never receives any messages However, when i use the following python script: ./stream_generator | python filter.py --topics TICK | ./topic_processor everything looks to be fine. I guess there need to be a 'flush' mechanism for egrep as well, is this correct? Can anyone here give me a clue? Thanks a million import sys from optparse import OptionParser if __name__ == '__main__': parser = OptionParser() parser.add_option("-m", "--topics", action="store", type="string", dest="topics") (opts, args) = parser.parse_args() topics = opts.topics.split(':') while True: s = sys.stdin.readline() for each in topics: if s[0:4] == each: sys.stdout.write(s) sys.stdout.flush()

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• NLB and Host Header Value

  - by Hafeez

  Background: We are using MOSS 2007 in farm configuration, 2 WFE, 1 Indexer and SQL Server. MS NLB is used for load balancing. Host header value mapped to Virtual IP of Cluster in DNS, is used while creating the web applications in MOSS and all are sharing port 80. Problem: When client tries to access the web application that are configured with host header values. Both of WFEs Hangs for 5 minutes, they stop responding to ping and browser shows 'Page not found'. In the Application Log on the WFE, this error is registered "provider: TCP Provider, error: 0 - The semaphore timeout period has expired". Interestingly, the web application with no host header value and hosted on different ports is working correctly. Any clue to solve this problem will be helpful. Thks. Hafeez

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• non blocking tcp connect with epoll

  - by doccarcass

  My linux application is performing non-blocking TCP connect syscall and then use epoll_wait to detect three way handshake completion. Sometimes epoll_wait returns with both POLLOUT & POLLERR revents set for the same socket descriptor. I would like to understand what's going on at TCP level. I'm not able to reproduce it on demand. My guess is that between two calls to epoll_wait inside my event loop we had a SYN+ACK/ACK/FIN sequence but again I'm not able to reproduce it. Any clue ? Regards, Seb

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• How to detect a Triangle gesture with kinect?

  - by Akhilesh Mishra

  I am trying to implement a gesture recognition system which interprets the geometric gestures user makes and draws it on screen, I have some idea of how circle can be recognized, however i have no clue how to get started with triangle recognition. the data I have is X and Y coordinates of all points the gesture passed through. I get this data by tracking right hand. I found something online called Hough Transform , which is used for detecting lines but i am not sure whether it will work for discrete collection of points, Any ideas folks?

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• Undefined symbol sunOglCurPrimTablePtr in Solaris-x86

  - by yowkee

  I was porting a C++ program from Solaris Sparc to Solaris x86. The program utilizes OpenGL library and the compilation is performed in a Sun Ultra27 workstation with the default GCC (3.4.3) and OpenGL library come with the machine. However, the following OpenGL call couldn't found while linking: Undefined symbol first referenced in file sunOglCurPrimTablePtr ../../lib/libgltt.so sunOglCurrentContext ../../lib/libgltt.so which, both sunOglCurPrimTablePtr and sunOglCurrentContext should be available in the default OpenGL library /usr/lib/libGL.so (links to /usr/X11/lib/NVIDIA/libGL.so.1). But I couldn't find anything from it: > nm /usr/lib/libGL.so /usr/lib/libGL.so: Searching on web, SUN or Nvidia didn't lead to any helpful resource. Any clue or helps? Thanks!

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• The .NET ActiveX component with WPF content can't be loaded by non MFC app

  - by lonelyflyer

  I have a legacy delphi program and want to add some content implemented with WPF. So I encapsulate the WPF control with a .NET/ActiveX interop technology. That means something like: [ComRegisterFunction()] public static void RegisterClass(string key); [ComUnregisterFunction()] public static void UnregisterClass(string key); The activeX component is a WinForms User Control and the WPF materials are attached to an ElemenHost in this User Control. It works fine if the host app of this ActiveX is a MFC program even without /clr switch. But my legacy app is a delphi program, and it always throw a stackoverflow exception within the constructor of my WPF user control as the program be started. I have no clue, Google is no help. and it has puzzled me for days.

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• Javascript Getting a string into kb format

  - by Teske

  I am new to javascript and I just wanted to convert a string into a format that a person like me can read. Here is an example of what I am trying to do... string2size(string){ //some awesome coding I have no clue how to make return awesomeAnswer } now the return should give me something like 56 bytes or 12kb or 1mb depending how much the string is. so if the string is... string = "there was an old woman who lived in a shoe"; then string2size(string) should return something like 3kb. Now I know there has been a utf8 talk and I wouldn't object to and addition of that to the function. I have tried google and Yahoo searches but they talk of using php but I really need it for javascript. I do thank anyone for their time. -Teske

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• login connection problem using SimpleTest

  - by Cedric

  Hi everyone. I am using SimpleBrowser from SimpleTest (http://www.simpletest.org) to login a webmin (http://www.webmin.com/). This login uses https. I've tried two different ways, both fail. $browser = new SimpleBrowser(); $browser->useCookies(); $browser->useFrames(); //echoes the login page, where it should echo the landing page from a logged user echo $browser->post('https://address/','user=User&pass=Secret')); And also : $browser = new SimpleBrowser(); $browser->useCookies(); $browser->useFrames(); $browser->get('https://address/'); $browser->setField('user', 'User'); $browser->setField('pass', 'Secret'); //echoes the login page, where it should echo the landing page from a logged user echo $browser->clickSubmit('Login'); Do you have any clue why it doesn't work ?

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• JNI_CreateJavaVM: Buffer overrun if I throw an exception in case of failure

  - by Dominik Fretz

  Hi, In a C++ project, I use the JNI invocation API to launch a JVM. I've done a little wrapper arount the JVM so I can use all the needed parts in a OO fashion. So far that works great. Now, if the JVM does not start (JNI_CreateJavaVM returns a value < 0) I'd like to raise an exception within my C++ code.But if I throw an exception after JNI_CreateJavaVM, I get a buffer overrun. If I raise the exception without the JNI_CreateJavaVM call, it works as expected. Does anyone have a clue on what the issue could be here? Or how to debug this? Environment: Windows, Visual Studio 2008 JDK: jrockit27.6jdk16005, but happens with SUN stock one as well Cheers Dominik

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• ApnsPHP in server mode (ApnsPHP_Push_Server)

  - by Kukosk

  Hi, Im using ApnsPHP for push notifications on my server, but it's a little bit slow when you have to send a lot of notifications, so i decided to Run it in the server mode. I just want it to run in cron every 1 hour, check if there are some notifications to be sent, and if yes, run it in 5 processes to be faster. I'm sending updates to my users once a day depending on the timezone they set. So i have to run it every hour, and send messages to timezones that actually have 12:00 PM. Is there any way to do this? I know there is a demonstration but i just have no clue about how to do it. A simple sample will really help. Thank you millions!!

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• triying to do a combo select with this.val() but it doesnt show the second select

  - by irenkai

  Im triying to do a combo where the when the user selects Chile out of the select box, a second select shows up showing the cities. The jQuery code Im using is this. $(document).ready(function(){var ciudad = $("#ciudad"); ciudad.css("display","none"); $("select#selectionpais").change(function(){ var hearValue = $("select#selectionpais").val(); if( hearValue == "chile"){ ciudad.css("display","block"); ; }else{ ciudad.css("display","none") } }); }); and the Html is this (abreviated for the sake of understanding) <select name="pais" id="selectionpais"> .... Chile Afganistán and the second select (the one that should be shown is this) <select id="ciudad" name="ciudad" class="ciudad"> Santiago Anyone has a clue why it isnt working?

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• What code should I put on our softball Jerseys?

  - by jsmith

  I work at a small company full of software Nerds. Our wives have decided to put a Co-Ed softball team together called "The Nerds", rightfully so. One of the wives happens to be a Graphical Designer, she has come up with the brilliant idea to put Code on the Jersey (How this wasn't my idea, I have no clue). The only rule is, she wants Nerds to be a part of the code. I've been racking my brain to come up with something clever, but really haven't been able to. So I decided to open it up to my online family. Where better to ask than SO? As a simple reward to whomever gets the best answer, I planned on taking a picture of the team in their Jersey's so the winner can see their result in action.

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• Jquery Table sorter and special characters

  - by kevin

  Hi there, am using jquery tablesorter plugin and in my "country" column i got special characters like this: Índia. The fact is that when i hit the header of the column to sort it, it puts my "Índia" at the end of the column. I guess the nav sees the Í instead of the real "I" with an accent. Any clue on how to make it work even with accents ? Here's the js code in my domready: $.tablesorter.defaults.widgets = ['zebra']; $.tablesorter.defaults.sortList = [[0,0]]; $("table").tablesorter(); Thanks in advance.

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• Encrypt/Decrypt SQLite-database and use it "on the fly"

  - by Berschi

  Here's the thing: In my Qt4.6-Project, I use a SQLite-Database. This database shouldn't be unencrypted on my harddrive. So I want, that on every start of my program, the user gets asked to enter a password to decrypt the database. Of course the database never should appear "in clear" (not encrypted) on my harddrive. So is there any possibility to decrypt a SQLite-database "on the fly" and read and write data? What algorithm is here the best (maybe AES)? When it's not possible (or very slow), maybe it's better to encrypt every string in the database and decrypt the string when the password was right (so that a user could open the database, but has no clue what all the entrys could mean)?

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• Jqm is not a function

  - by kris

  Hi all, I'm having some trouble with Jquery and JqModal, and I hope you are able to help, since I've been struggling for hours.. Having a single button element with an onclick action running my method "test" (shown below): $('#picture_form').jqm({ajax: '/test.php'}); $('#picture_form').jqmShow(); This will load the ajax content of test.php into my div element picture_form, shown using JqModal as its supposed to! Though when I close this window, and re-clicks the button I'm getting the error: $("#picture_form").jqm is not a function. As a solution I've tried to use the JqModal trigger function, and this leaves me able to open and close the JqModal windows as many times as I want to. Sadly I can only call the 'trigger' using test environment, in my production code I have to open the JqModal window using a function.. Does anyone have a clue why this 'bug' appears when calling the opening when using a function? Thanks in advance

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• IAR Embedded Workbench MSP430 and *.lib files linking

  - by jeniusj

  I was assuming that it was a really simple task but I did not find anything relevant or my mistake. So putting my problem here i.e. I have some project for MSP430 which is actually in code composer studio. I have to run this whole code into IAR embedded workbench now. There are some library files(*.lib) that are also provided with the project and that should have to be linked to build the project. After little modifications code is compiling fine but I am unable to link the libraries and getting linker errors. I worked on IAR with avr but very very little just to test some sample codes. I did not find the option where to mention these library names and their respective paths. I checked out the linker tab but I am not getting any clue to link these .lib files with project.

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• UIView animation doesn't work first time

  - by BobC

  Hello everybody, I have a seachButton in the navigation bar which upon hitting calls following method: - (IBAction)search:(id)sender { if (nil == searchViewController) searchViewController = [[SearchViewController alloc] initWithNibName:@"SearchViewController" bundle:nil]; searchViewController.view.backgroundColor = [UIColor clearColor]; [UIView beginAnimations:nil context:nil]; [UIView setAnimationDuration:1.0]; [UIView setAnimationTransition:UIViewAnimationTransitionCurlDown forView:searchViewController.view cache:NO]; [self.view addSubview:searchViewController.view]; [UIView commitAnimations]; } It should load SearchViewController.xib which contains a view with UISearchBar and two buttons. When I call the search method for the first time, the view appears very quickly with some weird animation, when I call it again, the animation is alright. Does anyone have a clue what could be wrong?

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• Bash script "read" not pausing for user input when executed from SSH shell

  - by Aaron Hancock

  I'm new to Bash scripting, so please be gentle. I'm connected to a Ubuntu server via SSH (PuTTY) and when I run this command, I expect the bash script that downloads and executes to allow user input and then echo that input. It seems to just write out the echo label for the input request and terminate. wget -O - https://raw.github.com/aaronhancock/pub/master/bash/readtest.sh | bash Any clue what I might be doing wrong? UPDATE: This bash command does exactly what I wanted bash <(wget -q -O - https://raw.github.com/aaronhancock/pub/master/bash/readtest.sh)

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